Answer: isn't it 21 then?
Step-by-step explanation:
kinda bad at math haha
Answer:
2
= 4⁰×-⁹
= 4⁰
= -4⁹ײ
= -4¹⁸
=( -4)¹⁸
= 4-³ × -³
= 4⁹
= 4⁶ × -³
= 4-¹⁸
= 1/4¹⁸
